55100050512 has 40 divisors (see below), whose sum is σ = 153291167904. Its totient is φ = 16953861504.

The previous prime is 55100050459. The next prime is 55100050519. The reversal of 55100050512 is 21505000155.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55100050519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44150058 + ... + 44151305.

Almost surely, 2^55100050512 is an apocalyptic number.

55100050512 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

55100050512 is an abundant number, since it is smaller than the sum of its proper divisors (98191117392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55100050512 is a wasteful number, since it uses less digits than its factorization.

55100050512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88301387 (or 88301381 counting only the distinct ones).

The product of its (nonzero) digits is 1250, while the sum is 24.

Adding to 55100050512 its reverse (21505000155), we get a palindrome (76605050667).

The spelling of 55100050512 in words is "fifty-five billion, one hundred million, fifty thousand, five hundred twelve".